i cant remeber the name right now, but in my shop we use this silicone based caliper slider grease on belts and it does magic! Just goggled it its called Eze-Slide made by Kleen-Flo. Spray on belt dressings so more harm then good.
1995 E36 318is
94 M50 motor, Lightweight Flywheel, SACH clutch, UUC shifter, Electric Fan, Header and Full Exhaust, Magnaflow muffler, CAI, Racing Dynamics Chip
M3 spoiler ( Not installed yet), Projector Headlights, M3 mirrors.
Front Strut bar, Eibach spings, Billstein Struts.
M3 buckets, Reverse Glow gauges, Momo steering wheel, M3 Shift Knob, M3 Headliner